repeater怎么不显示东西了

代码如下，请高手帮看看
<%@ Page Language="C#" AutoEventWireup="true" CodeFile="Default2.aspx.cs" Inherits="Default2" %><!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml" >
<head runat="server">
    <title>无标题页</title>
</head>
<body>
    <form id="form1" runat="server">
    <div>        <asp:Repeater ID="Repeater1" runat="server" >
       <HeaderTemplate>
      <table align="center">
      <tr>
        <td>商品名称</td>
       <td>商品价格</td>
      <td>商品图片</td> 
      <td>删除商品</td> 
      <td>利润</td>
      </tr>
       </HeaderTemplate> 
      <ItemTemplate>
      <tr>
        <td>1</td>
       <td>2</td>
      <td>3</td>  
      <td>4</td>
      <td>5</td>
      </tr>
      </ItemTemplate> 
      <FooterTemplate>
      </table>
      </FooterTemplate>
        </asp:Repeater>
      
    </div>
    </form>
</body>
</html>